/*
 *  Copyright 2016 Google Inc. All Rights Reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.google.android.apps.forscience.whistlepunk.sensorapi;

/** Consumes new single-value time-series data points as they are generated. */
public interface StreamConsumer {
  /**
   * A new value has been seen. Caveat implementor: this may be called from any thread.
   *
   * @return true if data was successfully accepted by the consumer
   */
  boolean addData(long timestampMillis, double value);
}
